#ifndef _VECTORS_H_
#define _VECTORS_H_
class vector
{
      public:
             vector();
             vector(float,float);
             ~vector();
             vector& operator =(vector&);


             float triple();
             float length();
             float x,y;
};
float operator *(vector&,vector&);
vector& operator *(float,vector&);
vector& operator +(vector a,vector b);
vector& operator -(vector a,vector b);
#endif
